<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style>
			span{
				background-color: #f00;
			}
			
			div span{
				font-size: 1cm;
			}
		</style>
	</head>
	<body>
		<span>天佑中华</span>
		<span>天佑中华</span>
		<span>天佑中华</span>
		<div>
			<span>div下的天佑中华</span>
		</div>
	</body>
</html>
